Robert Heffner
12Patents
8h-index
11Co-inventors
65Inventor score
Filing activity: Apr 14, 1986 → Feb 27, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5525121A | Dioxirane compounds useful for bleaching fabrics | Chemistry; Metallurgy | 35 | Expired |
| US5929024A | Cleaning compositions | Chemistry; Metallurgy | 28 | Expired |
| US6156712A | Cleaning compositions containing a cationic surfactant | Chemistry; Metallurgy | 25 | Expired |
| US6060440A | Homogenous solution of an alpha olefin sulfonate surfactant | Chemistry; Metallurgy | 18 | Expired |
| US6184190A | Aqueous solution of an alpha sulfonate surfactant comprising 1,3-bis (hydroxymethyl)-5, 5-dimethylimidazolidine-2, 4 dione | Human Necessities | 18 | Expired |
| US5437686A | Peroxygen bleach composition activated by bi and tricyclic diketones | Chemistry; Metallurgy | 17 | Expired |
| US6583178B2 | Antibacterial liquid dish cleaning compositions having improved viscosity | Chemistry; Metallurgy | 8 | Expired |
| US5785887A | Peroxygen bleach composition | Chemistry; Metallurgy | 8 | Expired |
| US5512206A | Peroxygen bleach composition | Chemistry; Metallurgy | 8 | Expired |
| US5755993A | Peroxygen bleach composition activated by piperidone derivatives | Chemistry; Metallurgy | 6 | Expired |
| US4720553A | Method for synthesizing N-aminophthalimide | Chemistry; Metallurgy | 3 | Expired |
| US5709815A | Peroxygen bleach composition activated by oxo-piperidinium salts | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.